3 #endif /* HAVE_CONFIG_H */
7 #include <atalk/adouble.h>
8 #include <atalk/logger.h>
10 #define FILEIOFF_ATTR 14
11 #define AFPFILEIOFF_ATTR 2
15 the "shared" and "invisible" attributes are opaque and stored and
16 retrieved from the FinderFlags. This fixes Bug #2802236:
17 <https://sourceforge.net/tracker/?func=detail&aid=2802236&group_id=8642&atid=108642>
19 int ad_getattr(const struct adouble *ad, uint16_t *attr)
24 if (ad_getentryoff(ad, ADEID_AFPFILEI)) {
25 memcpy(attr, ad_entry(ad, ADEID_AFPFILEI) + AFPFILEIOFF_ATTR, 2);
27 /* Now get opaque flags from FinderInfo */
28 memcpy(&fflags, ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, 2);
29 if (fflags & htons(FINDERINFO_INVISIBLE))
30 *attr |= htons(ATTRBIT_INVISIBLE);
32 *attr &= htons(~ATTRBIT_INVISIBLE);
34 * This one is tricky, I actually got it wrong the first time:
35 * for directories bit 1<<1 is ATTRBIT_EXPFLDR and is NOT opaque !
37 if ( ! (ad->ad_adflags & ADFLAGS_DIR)) {
38 if (fflags & htons(FINDERINFO_ISHARED))
39 *attr |= htons(ATTRBIT_MULTIUSER);
41 *attr &= htons(~ATTRBIT_MULTIUSER);
45 *attr |= htons(ad->ad_open_forks);
50 /* ----------------- */
51 int ad_setattr(const struct adouble *ad, const uint16_t attribute)
55 /* we don't save open forks indicator */
56 uint16_t attr = attribute & ~htons(ATTRBIT_DOPEN | ATTRBIT_ROPEN);
58 /* Proactively (10.4 does indeed try to set ATTRBIT_MULTIUSER (=ATTRBIT_EXPFLDR)
59 for dirs with SetFile -a M <dir> ) disable all flags not defined for dirs. */
60 if (ad->ad_adflags & ADFLAGS_DIR)
61 attr &= ~(ATTRBIT_MULTIUSER | ATTRBIT_NOWRITE | ATTRBIT_NOCOPY);
63 if (ad_getentryoff(ad, ADEID_AFPFILEI) && ad_getentryoff(ad, ADEID_FINDERI)) {
64 memcpy(ad_entry(ad, ADEID_AFPFILEI) + AFPFILEIOFF_ATTR, &attr, sizeof(attr));
66 /* Now set opaque flags in FinderInfo too */
67 memcpy(&fflags, ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, 2);
68 if (attr & htons(ATTRBIT_INVISIBLE))
69 fflags |= htons(FINDERINFO_INVISIBLE);
71 fflags &= htons(~FINDERINFO_INVISIBLE);
73 /* See above comment in ad_getattr() */
74 if (attr & htons(ATTRBIT_MULTIUSER)) {
75 if ( ! (ad->ad_adflags & ADFLAGS_DIR) )
76 fflags |= htons(FINDERINFO_ISHARED);
78 fflags &= htons(~FINDERINFO_ISHARED);
80 memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, &fflags, 2);
87 * save file/folder ID in AppleDoubleV2 netatalk private parameters
88 * return 1 if resource fork has been modified
90 int ad_setid (struct adouble *adp, const dev_t dev, const ino_t ino , const uint32_t id, const cnid_t did, const void *stamp)
94 LOG(log_maxdebug, logtype_afpd, "ad_setid(\"%s\"): CNID: %" PRIu32 "", adp->ad_m_name, ntohl(id));
95 ad_setentrylen( adp, ADEID_PRIVID, sizeof(id));
97 if (adp->ad_vers == AD_VERSION_EA)
99 memcpy(ad_entry( adp, ADEID_PRIVID ), &tmp, sizeof(tmp));
101 ad_setentrylen( adp, ADEID_PRIVDEV, sizeof(dev_t));
102 if ((adp->ad_options & ADVOL_NODEV)) {
103 memset(ad_entry( adp, ADEID_PRIVDEV ), 0, sizeof(dev_t));
105 memcpy(ad_entry( adp, ADEID_PRIVDEV ), &dev, sizeof(dev_t));
108 ad_setentrylen( adp, ADEID_PRIVINO, sizeof(ino_t));
109 memcpy(ad_entry( adp, ADEID_PRIVINO ), &ino, sizeof(ino_t));
111 ad_setentrylen( adp, ADEID_DID, sizeof(did));
112 memcpy(ad_entry( adp, ADEID_DID ), &did, sizeof(did));
114 ad_setentrylen( adp, ADEID_PRIVSYN, ADEDLEN_PRIVSYN);
115 memcpy(ad_entry( adp, ADEID_PRIVSYN ), stamp, ADEDLEN_PRIVSYN);
120 /* ----------------------------- */
121 uint32_t ad_getid (struct adouble *adp, const dev_t st_dev, const ino_t st_ino , const cnid_t did, const void *stamp)
127 char temp[ADEDLEN_PRIVSYN];
130 if (sizeof(dev_t) == ad_getentrylen(adp, ADEID_PRIVDEV)) {
131 memcpy(&dev, ad_entry(adp, ADEID_PRIVDEV), sizeof(dev_t));
132 memcpy(&ino, ad_entry(adp, ADEID_PRIVINO), sizeof(ino_t));
133 memcpy(temp, ad_entry(adp, ADEID_PRIVSYN), sizeof(temp));
134 memcpy(&a_did, ad_entry(adp, ADEID_DID), sizeof(cnid_t));
136 if (((adp->ad_options & ADVOL_NODEV) || (dev == st_dev))
138 && (!did || a_did == did)
139 && (memcmp(stamp, temp, sizeof(temp)) == 0) ) {
140 memcpy(&aint, ad_entry(adp, ADEID_PRIVID), sizeof(aint));
141 if (adp->ad_vers == AD_VERSION2)
151 /* ----------------------------- */
152 uint32_t ad_forcegetid (struct adouble *adp)
157 memcpy(&aint, ad_entry(adp, ADEID_PRIVID), sizeof(aint));
158 if (adp->ad_vers == AD_VERSION2)
167 * set resource fork filename attribute.
169 int ad_setname(struct adouble *ad, const char *path)
172 if ((len = strlen(path)) > ADEDLEN_NAME)
174 if (path && ad_getentryoff(ad, ADEID_NAME)) {
175 ad_setentrylen( ad, ADEID_NAME, len);
176 memcpy(ad_entry( ad, ADEID_NAME ), path, len);